What's unique about that particular customer?
What computer do they use?
What operating system?
What browser?
What payment methods have they used? What was the first payment method on the first order? And on the last one?
What are they buying?
Are these physical products, or are they virtual?
How did they find your site? Do they come to you via marketing email blasts? or search engines? or bookmarked URLs in their browser favorites? other?
What plugins/addons are on your site? In what was is your site different from a brand new original Zen Cart install without any customizations done to it?
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